Eshopps’ compact wet-dry filters fit comfortably in sumps without taking much space. The smart, easy-access sump allows for convenient installation of the return pump. The wet-dry drip tray filter provides efficient biological filtration to process toxic ammonia and nitrite. Includes overflow box, bio balls, drip tray and cover, egg crate, filter pad, return nozzle with vinyl tubing, 1" bulkhead, and 3 ft. x 1-1/4" flex hose.